问题
_______ a child begins school, he enters a world of vicious competition where success and failure are clearly defined and measured. [ ]
A: The moment
B: Until
C: While
D: Since
B: Until
C: While
D: Since
正确答案是：
同类题型
I had neither a raincoat nor an umbrella. That’s why I _____wait until the rain stopped. [ ]
derstanding of education, work and society isdifferent from ______ of the earlier generation.
The boys made ______, so their teacher got very _______.
Millie is very tall and sits ___________ me. So I can’t see the blackboard.